Uncaria. PENTANDRIA MONOGYNTA,  , ee 
_ The price at which it can be procured from the Northern 
parts on this coast, I have ascertained to be nearly ten dollars 
per hundred weight, it can be supplied in any quantity de- 
sired, for the plant abounds in these-districts, and the mode 
of eliciting the astringent matter is such as requires neither 
much attention nor labour.” 
So far Dr. Campbell. - But in other parts to the eastward 
of the Bay of Bengal I learn that the process is carried on by 
boiling the leaves sae young shoots ; evaporating the decoc- 
tion by fire and the heat of the sun. When sufficiently in- 
spissated, it is spread out thin and cut into little square cakes 
and dried. 
The same substance is mentioned by Marsden in his Histo- 
ry of Sumatra, at p. 242-3, who refers for a particular detail 
of the cultivation of the plant and manufacture of the Gam- 
bier, to the 2d volume of the Transactions gt the Batavian 
Society. ee: 
2. U. ovalifolia, R. 
Leaves oval, entire, smooth. Peduneles axillary and ter- 
minal, compound. Capsules and common receptacle yee 
~ A native of the Island of Pulo Pinang. ES 
“Trunk and branches woody, climbing to a great extent. 
Bark dark-brown, Leaves opposite, petiotald and obovate, 
pointed, smooth on both sides, entire ; from three to six inches 
long. Petioles short, recurved, channelled. Peduncles axill- 
ary and terminal, expanding, bearing from one to three agere- 
gate flowers. Pedicels nearly as long as the peduncles, 
bracted and jointed at the middle, Bractes sheathing, with 
the mouth from two to six-cleft, © Calyx, common perianth 
none. Receptacle globular, villous, Proper perianth above, 
five-toothed. Corol, aggregate, equal, globular. Corollets 
numerous, funnel-shaped ; tube very long and slender; bor- 
der of five obovate divisions, Filaments scarcely any. An- 
“thers affixed to the mouth of the tube. Germ beneath, Style 
the length of the corol. Stigma clavate. Capsules two-cell- 
Gg4 
